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engines/trecision/graphics.h

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef TRECISION_GRAPHICS_H
+#define TRECISION_GRAPHICS_H
+
+#include "common/rect.h"
+#include "graphics/pixelformat.h"
+#include "graphics/surface.h"
+
+namespace Common {
+class SeekableReadStream;
+}
+
+
+namespace Trecision {
+class TrecisionEngine;
+
+struct Font {
+	int8 *_data;
+	uint16 _width;
+};
+
+class GraphicsManager {
+	TrecisionEngine *_vm;
+
+	Graphics::Surface _screenBuffer;
+	Graphics::Surface _background;
+	Graphics::Surface _smkBackground;
+	Graphics::Surface _leftInventoryArrow;
+	Graphics::Surface _rightInventoryArrow;
+	Graphics::Surface _inventoryIcons;
+	Graphics::Surface _saveSlotThumbnails;
+	Graphics::Surface _textureMat;
+
+	Graphics::PixelFormat _screenFormat;
+	uint16 _bitMask[3];
+	Font _fonts[256];
+
+	Common::List<Common::Rect> _dirtyRects;
+
+	const Graphics::PixelFormat _rgb555Format;
+
+	uint16 aliasing(uint32 val1, uint32 val2, uint8 num);
+	void drawCharPixel(uint16 y, uint16 charLeft, uint16 charRight, Common::Rect rect, Common::Rect subtitleRect, uint16 color, Graphics::Surface *externalSurface = nullptr);
+	void initCursor();
+	void copyToScreenBufferInner(const Graphics::Surface *surface, int x, int y);
+	void paintObjAnm(uint16 curBox);
+	void drawObj(int index, bool mask, Common::Rect drawRect, Common::Rect drawObjRect, bool includeDirtyRect = true);
+	void eraseObj(Common::Rect drawObjRect);
+
+public:
+	GraphicsManager(TrecisionEngine *vm);
+	~GraphicsManager();
+
+	bool init();
+	void clearScreen();
+	void copyToScreen(int x, int y, int w, int h);
+	void copyToScreenBuffer(const Graphics::Surface *surface, int x, int y, const byte *palette);
+	void blitToScreenBuffer(const Graphics::Surface *surface, int x, int y, const byte *palette, bool useSmkBg);
+	void paintScreen(bool flag);
+	void loadBackground(Common::SeekableReadStream *stream);
+	void clearScreenBuffer();
+	void clearScreenBufferTop();
+	void clearScreenBufferInventory();
+	void clearScreenBufferSaveSlotDescriptions();
+	void drawLeftInventoryArrow(byte startLine);
+	void drawRightInventoryArrow(byte startLine);
+	void drawInventoryIcon(byte iconIndex, byte iconSlot, byte startLine);
+	void drawSaveSlotThumbnail(byte iconIndex, byte iconSlot, byte startLine);
+	void setSaveSlotThumbnail(byte iconSlot, const Graphics::Surface *thumbnail);
+	void readSurface(Common::SeekableReadStream *stream, Graphics::Surface *surface, uint16 width, uint16 height, uint16 count = 1);
+	void readTexture(Common::SeekableReadStream *stream);
+	void drawTexturePixel(uint16 textureX, uint16 textureY, uint16 screenX, uint16 screenY);
+
+	uint16 convertToScreenFormat(uint16 color) const;
+
+	void shadow(uint16 x, uint16 y, uint8 num);
+	void pixelAliasing(uint16 x, uint16 y);
+	void dissolve();
+
+	void addDirtyRect(Common::Rect rect, bool translateRect);
+
+	uint16 getCharWidth(byte character);
+	void drawChar(byte curChar, uint16 textColor, uint16 line, Common::Rect rect, Common::Rect subtitleRect, uint16 inc, Graphics::Surface *externalSurface);
+
+	bool isCursorVisible();
+	void showCursor();
+	void hideCursor();
+
+	void loadFont();
+	void loadData();
+	void showDemoPic();
+	
+};
+
+} // End of namespace Trecision
+#endif